Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851908 | Field number doubling circuit for a television signal | Frits A. Steenhof | 1989-07-25 |
| 4816907 | Television synchronizing signal pattern correction circuit | — | 1989-03-28 |
| 4750038 | Television picture display device | Dionysius A. Boerrigter, Hendrik Van Der Wal, Pieter J. Zijlstra | 1988-06-07 |
| 4684986 | Television signal memory-write circuit | Frits A. Steenhof, Petrus A. C. M. Nuijten, Jan Van Der Meer | 1987-08-04 |
| 4636864 | Television receiver comprising a circuit for sequentially tuning the receiver to different frequencies | Marcellinus J. J. C. Annegarn | 1987-01-13 |
| 4587557 | Field number conversion circuit | Laurens Doornhein, Johannes G. Raven, Marcellinus J. J. C. Annegarn, Antonius H. H. J. Nillesen | 1986-05-06 |
| 4514754 | Digital color television signal processing circuit | Antonius H. H. J. Nillesen | 1985-04-30 |